function formatTime(date) {
  var year = date.getFullYear()
  var month = date.getMonth() + 1
  var day = date.getDate()

  var hour = date.getHours()
  var minute = date.getMinutes()
  var second = date.getSeconds()

  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

function formatNumber(n) {
  n = n.toString()
  return n[1] ? n : '0' + n
}

function wxPromisify(fn) {
  return function(obj = {}) {
    return new Promise((resolve, reject) => {
      obj.success = function(res) {
        resolve(res)
      }

      obj.fail = function(res) {
        reject(res)
      }

      fn(obj) //执行函数，obj为传入函数的参数
    })
  }
};





module.exports = {
  formatTime: formatTime,
  wxPromisify: wxPromisify
}